Niraj Thakur | Full Stack Engineer — SaaS, Fintech & AI Products

Available For

Full-time remote roles
Contract engagements
Startup teams
Founding engineer opportunities

Interested in SaaS, AI, fintech, and developer tools.

Response time: usually within 24 hours

Recommendations

Founder, co-founder & CTO endorsements

View on LinkedIn →

LB

Leks Betlem

Jun 2026

Co-founder · Sponsorvista

I had the pleasure of working with Niraj on a project that I engaged him for, and it was a great experience from start to finish. Niraj is a strong team lead who combines technical expertise with a practical and collaborative approach. He is flexible, responsive, and always willing to go the extra mile to find solutions. His ability to guide a team while maintaining a positive and professional attitude made him a valuable partner throughout the project. I would not hesitate to work with him again and highly recommend him to others.

GB

Gavin Bryan

Dec 2025

Founder · Hourmarket

I've worked closely with Niraj on a number of projects across frontend, backend, and mobile development, and I've always been impressed with his talent and work ethic. He contributed to complex features using technologies such as Next.js, NestJS, TypeScript and React Native, and consistently showed strong problem-solving skills and adaptability. Niraj is a versatile developer with a solid technical foundation, and I'm happy to recommend him.

PG

Pawanlal Ganesh

Dec 2023

Former CTO · Lanceme Up

Working with Niraj was a breath of fresh air due to their strong work ethic and reliability. He consistently delivered high-quality work on time and with great attention to detail. He is all-in-one package.

NK

Niraj Kafle

Dec 2023

Founder · Saarthi Academy

Working with Niraj Dai was a breath of fresh air due to their strong work ethic and reliability. They consistently delivered high-quality work on time and with great attention to detail.

What I've Built

AI Résumé Platform

React · Node.js · LLM APIs

Built an AI-powered platform that generates résumés and interview preparation content — turning LLM capabilities into a product non-technical users could rely on daily.

Digital Banking Platform

React · TypeScript · Node.js

Developed digital onboarding and account management workflows for a Nepali financial institution — reducing manual account opening and shortening customer time-to-account.

Dynamic Page Builder

React · TypeScript · NestJS

Built a visual page builder for web, mobile, and email templates — enabling non-technical teams to launch campaigns without engineering, across 3 product surfaces.

Unified Authentication System

NestJS · PostgreSQL

Designed reusable authentication infrastructure shared across multiple products — eliminating duplicate auth code and accelerating new-product setup.

Experience

Sponsorvista

Dec 2025 – Present

Problem: Growing sponsorship platform requiring rapid feature development across a distributed remote team.
What I Did: Owned engineering execution across a distributed remote team

Built full-stack features serving active production users

Owned deployments, debugging, and infrastructure

Improved page-load performance and platform reliability

Established code review standards and raised team velocity
Outcome: Led delivery across a distributed team, shipping production features used by active customers while improving page-load performance and deployment reliability.

Hourmarket

Oct 2024 – Oct 2025

Problem: Marketing teams depended on engineers for every page change; legacy .NET backend limited deployability and scaling.
What I Did: Built a dynamic page builder for web, mobile, and email templates

Migrated services from .NET to Node.js (NestJS) with micro Web APIs

Developed unified authentication reused across products

Shipped consumer mobile shopping app on iOS and Android
Outcome: Page builder enabled non-technical teams to ship web, mobile, and email campaigns without engineering — cutting marketing-to-launch time. Backend migration to NestJS improved deploy speed across multiple services.

Basework.io

Jan – May 2024

Problem: Clients across fintech and AI needed production applications delivered on tight deadlines with direct stakeholder collaboration.
What I Did: Built AI résumé and interview-prep platform with LLM integrations

Developed conversational chatbot platform for a client

Delivered digital bank onboarding app for a Nepali financial institution
Outcome: Shipped 3 client products in 5 months — including an AI platform and a digital banking app — reducing manual onboarding and shortening customer time-to-account for a Nepali financial institution.

Technologies I've Shipped to Production

Not a wishlist — tools I've used in real products.

Frontend

React, Next.js, TypeScript, Tailwind, React Native

Backend

Node.js, NestJS, Express, REST APIs, Microservices

Databases

PostgreSQL, MongoDB, Redis

Infrastructure

AWS, Azure, Docker, GitHub Actions, CI/CD

AI

OpenAI APIs, LLM integrations

How I Work

I prefer ownership over tickets. In startup environments, I typically:

Understand the business problem first.
Propose a practical technical solution.
Build and ship quickly.
Gather feedback from users and stakeholders.
Improve performance, reliability, and maintainability over time.

I use AI-assisted development tools daily for research, prototyping, code generation, debugging, documentation, and reviews — moving faster while maintaining engineering quality.

Why Teams Hire Me

I work across frontend, backend, infrastructure, and deployment — not just one layer.
I turn ambiguous ideas into shipped features, working directly with founders and product teams.
I use AI-assisted workflows to move faster while maintaining code quality.
I take ownership of delivery — not just writing code, but seeing it through to production.
I'm comfortable in startup environments where speed, execution, and adaptability matter most.
I've shipped across SaaS, fintech, AI, mobile, and internal tools — not just one domain.

Engineering Activity

40+ public repositories · active since 2020

github.com/proniraj →

GitHub Profile

Open source projects, experiments, and production codebases.

Engineering Journal

Architecture patterns, scaling strategies, and technical write-ups.